BY RUTH BENDER
The growth of tablets and smartphones with bigger screens will help to spur the nascent mobile-advertising industry, but hurdles remain before it contributes more than a trickle to the flood of global ad dollars.
To be sure, big companies have made strategic advances in the area in the past couple of years, not least Google Inc. paying $750 million for AdMob in 2009, followed by Apple Inc.'s acquisition of Quattro Wireless last year, which it has since absorbed into its own iAd network.
Last summer Google blasted Apple for imposing new rules on developers that could bar it and other ...
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